Toggle switch

OSCC · CSS, Visual, Interactivity · Dec 30, 2020

Creates a toggle switch with CSS only.

  • Use the for attribute to associate the <label> with the checkbox <input> element.
  • Use the :after pseudo-element of the <label> to create a circular knob for the switch.
  • Use the :checked pseudo-class selector to change the position of the knob, using transform: translateX(20px) and the background-color of the switch.
  • Use position: absolute and left: -9999px to visually hide the <input> element.
Preview
<input type="checkbox" id="toggle" class="offscreen" />
<label for="toggle" class="switch"></label>
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
  background-color: rgba(0, 0, 0, 0.25);
  border-radius: 20px;
  transition: all 0.3s;
}

.switch:after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 18px;
  background-color: white;
  top: 1px;
  left: 1px;
  transition: all 0.3s;
}

input[type='checkbox']:checked + .switch:after {
  transform: translateX(20px);
}

input[type='checkbox']:checked + .switch {
  background-color: #7983ff;
}

.offscreen {
  position: absolute;
  left: -9999px;
}

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